JP6796746B1 - 面状照明装置 - Google Patents

面状照明装置 Download PDF

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Publication number
JP6796746B1
JP6796746B1 JP2020546180A JP2020546180A JP6796746B1 JP 6796746 B1 JP6796746 B1 JP 6796746B1 JP 2020546180 A JP2020546180 A JP 2020546180A JP 2020546180 A JP2020546180 A JP 2020546180A JP 6796746 B1 JP6796746 B1 JP 6796746B1
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JP
Japan
Prior art keywords
light source
light
hole
lighting device
pseudo
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
JP2020546180A
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English (en)
Japanese (ja)
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JPWO2020170548A1 (ja
Inventor
貴志 枝光
貴志 枝光
菅原　聡
聡 菅原
カイ ウ
カイ ウ
正雄 宮本
正雄 宮本
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MinebeaMitsumi Inc
Original Assignee
MinebeaMitsumi Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by MinebeaMitsumi Inc filed Critical MinebeaMitsumi Inc
Application granted granted Critical
Publication of JP6796746B1 publication Critical patent/JP6796746B1/ja
Publication of JPWO2020170548A1 publication Critical patent/JPWO2020170548A1/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/002—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces
    • G02B6/0021—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces for housing at least a part of the light source, e.g. by forming holes or recesses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/0031—Reflecting element, sheet or layer
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0055—Reflecting element, sheet or layer
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0066—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form characterised by the light source being coupled to the light guide
    • G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2105/00—Planar light sources
    • F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Planar Illumination Modules (AREA)
JP2020546180A 2019-02-21 2019-12-04 面状照明装置 Active JP6796746B1 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2019029317 2019-02-21
JP2019029317 2019-02-21
JP2019128412 2019-07-10
JP2019128412 2019-07-10
PCT/JP2019/047503 WO2020170548A1 (ja) 2019-02-21 2019-12-04 面状照明装置

Publications (2)

Publication Number Publication Date
JP6796746B1 true JP6796746B1 (ja) 2020-12-09
JPWO2020170548A1 JPWO2020170548A1 (ja) 2021-03-11

Family

ID=72143789

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2020546180A Active JP6796746B1 (ja) 2019-02-21 2019-12-04 面状照明装置

Country Status (4)

Country Link
US (1) US11506832B2 (zh)
JP (1) JP6796746B1 (zh)
CN (1) CN113454525A (zh)
WO (1) WO2020170548A1 (zh)

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* Cited by examiner, † Cited by third party
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WO2006107105A1 (ja) * 2005-04-01 2006-10-12 Sony Corporation バックライト装置、液晶表示装置及び光偏向シート
JP2007227286A (ja) * 2006-02-27 2007-09-06 Seiko Instruments Inc 照明装置、及びこれを用いた表示装置
JP2010272245A (ja) * 2009-05-19 2010-12-02 Toshiba Corp バックライトユニットおよびこれを備えた液晶表示装置

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WO2006004160A1 (ja) * 2004-07-07 2006-01-12 Fuji Photo Film Co., Ltd. 導光部材及びそれを用いた面状照明装置並びに棒状照明装置
JP2006032254A (ja) * 2004-07-21 2006-02-02 Asahi Kasei Chemicals Corp 空孔を有する導光板
JP2008047291A (ja) * 2004-10-21 2008-02-28 Minebea Co Ltd 面状照明装置
JP2006318754A (ja) * 2005-05-12 2006-11-24 Fuji Photo Film Co Ltd 透過率調整体ユニット、面状照明装置、およびそれを用いる液晶表示装置
JP4697533B2 (ja) * 2005-06-08 2011-06-08 ミネベア株式会社 面状照明装置
US8021033B2 (en) * 2005-11-30 2011-09-20 Showa Denko K.K. Light guide member, planar light source device provided with the light guide member, and display apparatus using the planar light source device
JP4629585B2 (ja) * 2006-01-17 2011-02-09 富士フイルム株式会社 導光板およびこれを用いる面状照明装置
JP2007213833A (ja) * 2006-02-07 2007-08-23 Fujifilm Holdings Corp 面状照明装置
JP4692458B2 (ja) * 2006-09-29 2011-06-01 カシオ計算機株式会社 面状照明装置
KR20080043530A (ko) * 2006-11-14 2008-05-19 삼성에스디아이 주식회사 발광 장치 및 이를 구비한 표시 장치
JP4974703B2 (ja) * 2007-02-21 2012-07-11 富士フイルム株式会社 面状照明装置
JP2008305713A (ja) * 2007-06-08 2008-12-18 Fujifilm Corp 面状照明装置
JP2009158318A (ja) * 2007-12-27 2009-07-16 Toyoda Gosei Co Ltd 面状光源ユニット
US10578789B2 (en) * 2008-03-03 2020-03-03 Abl Ip Holding, Llc Optical system and method for managing brightness contrasts between high brightness light sources and surrounding surfaces
JP2009244405A (ja) * 2008-03-28 2009-10-22 Toppan Printing Co Ltd 光拡散ユニット、バックライトユニット及びディスプレイ装置
WO2010004610A1 (ja) * 2008-07-07 2010-01-14 桐生株式会社 導光板ユニット及びこの導光板ユニットを用いた照明器具
JP2010113904A (ja) * 2008-11-05 2010-05-20 Fujikura Ltd 面状発光装置、電子機器、及び面状発光装置の製造方法
US20100127289A1 (en) * 2008-11-26 2010-05-27 Bridgelux, Inc. Method and Apparatus for Providing LED Package with Controlled Color Temperature
JP4996747B2 (ja) * 2008-12-15 2012-08-08 パナソニック株式会社 面状照明装置および液晶ディスプレイ装置
EP2480918B8 (en) * 2009-09-21 2016-09-21 Philips Lighting Holding B.V. Light emitting device comprising a light guiding plate with reflective shielding with glare reduction
JP2011210378A (ja) * 2010-03-29 2011-10-20 Casio Computer Co Ltd 面状照明装置及びその製造方法
JP5463462B2 (ja) * 2010-06-08 2014-04-09 株式会社オプトデザイン 面状光源装置及び照明装置
WO2012081487A1 (ja) * 2010-12-15 2012-06-21 シャープ株式会社 照明装置および表示装置
US8525396B2 (en) * 2011-02-11 2013-09-03 Soraa, Inc. Illumination source with direct die placement
JP5665623B2 (ja) * 2011-03-30 2015-02-04 シチズン電子株式会社 面状ライトユニット
EP2734776B1 (en) * 2011-07-20 2018-02-28 Philips Lighting Holding B.V. An optical element, a lighting system and a luminaire for providing a skylight appearance
US20150176810A1 (en) * 2012-07-20 2015-06-25 Sharp Kabushiki Kaisha Lighting device and method for providing light
EP2959218B1 (en) * 2013-02-25 2016-12-21 Philips Lighting Holding B.V. Lighting device
JP6229479B2 (ja) * 2013-12-18 2017-11-15 豊田合成株式会社 面状光源および発光素子の製造方法
JP6523360B2 (ja) * 2016-06-24 2019-05-29 ミネベアミツミ株式会社 面状照明装置
JP6490136B2 (ja) * 2016-07-14 2019-03-27 ミネベアミツミ株式会社 面状照明装置
JP6487885B2 (ja) * 2016-09-08 2019-03-20 ミネベアミツミ株式会社 面状照明装置
JP6619373B2 (ja) * 2016-12-13 2019-12-11 ミネベアミツミ株式会社 面状照明装置および面状照明装置の製造方法
JP2018153112A (ja) * 2017-03-16 2018-10-04 東洋鋼鈑株式会社 植物用照明器具及び植物用照明装置
KR20230019404A (ko) * 2020-06-03 2023-02-08 니치아 카가쿠 고교 가부시키가이샤 면상 광원 및 그 제조 방법

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006107105A1 (ja) * 2005-04-01 2006-10-12 Sony Corporation バックライト装置、液晶表示装置及び光偏向シート
JP2007227286A (ja) * 2006-02-27 2007-09-06 Seiko Instruments Inc 照明装置、及びこれを用いた表示装置
JP2010272245A (ja) * 2009-05-19 2010-12-02 Toshiba Corp バックライトユニットおよびこれを備えた液晶表示装置

Also Published As

Publication number Publication date
WO2020170548A1 (ja) 2020-08-27
US20220146743A1 (en) 2022-05-12
CN113454525A (zh) 2021-09-28
JPWO2020170548A1 (ja) 2021-03-11
US11506832B2 (en) 2022-11-22

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